Biological Papers. 135 



C. impiger Walk. One male. 



A small, dark form. Wings long and [narrow. Taken October 15, on 

 swampy ground, 

 C. signifer Coq. One female. 



A medium-sized black mosquito. The shoulders are marked by longitudi- 

 nal white lines; legs deep black, contrasting sharply with the white 

 bands. Wings covered with about equal number of white and black 

 scales. 



Genus Anopheles. 

 A. punctipennis Say. Two males, sixteen females. 



The most common malaria mosquito. They were found most abundantly 

 along a ravine, near which was the only house in the city having se- 

 vere cases of malaria. They are the hardiest species of mosquitoes, 

 being found indoors and on the sunny sides of buildings as late as De- 

 cember 6. The wings are heavily marked with black. 

 A. maculipennis Meig. Three females. 



This mosquito is not at all common. It maybe distinguished from A. punc- 

 tipennis by the wings being almost clear and marked by four distinct 

 black spots. 



